Operating mechanism for type-writing machines.



PATBNTED JULY 9, 1907.

H. J. OTTO. OPERATING MECHANISM FOR TYPE WRITING MACHINES.

APPLICATION FILED JULY 9, 1906.

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No; 859,575- PATENTBD JULY 9, 1907.

H. J. OTTO. Y OPERATING MECHANISM FORTYPBWRITING MACHINES.

APPLICATION FILED JULY 9, 1906. V 2 SHEETS-SHEET z.

J6 I 1y l o 5 d wi/bmww UNITED STATES PATENT --oFFIo T HENRY J! OTTO, orPRINCETON, INDIANA.

OPERATING- MECHANISM FOR TYPE-WRITING MACHINES.

Specification of LettersPatent.

Patented July 9, 1907. I

Application filed July 9,1906. Serial No, 326,335-

To all whom i t may concern Be it known that I, HENRY .T. One, a

Gibson and "State of Indians, have invented certain new and usefulImprovements, in Operating Mechan ism for'Type-Writing Machines; and Ido declare the following to be a full, clear, and exact description ofthe invention, such as will enable othersskilled in the art to which itappertains to make and use the same.

This invention relates to improvements in type- 'writ ers,linotypemachines and the like, and more stance," as operating the typelevers of a typewriting machine or the like, returning the paper orplaten carriage of a typewriter from one end of the machine to theother, and shifting the cylindrical paper roller or platen on thetypewriter carriage after each line has been written, said mechanismbeing controlled by a key or-keys upon the keyboard of the machine. Withthe above and other objects in view, the invention consists of certainnovel features of construction, combination and arrangement of partshereinalter described and claimed. l

In the accompanying drawings, Figure 1. is a sectional view" through themechanism embodying my invention; Fig. 2 is a similar view through aslightly modified form of the invention; Fig. 3 is a vertical sectionalview through a typewriter, showing the improved operating mechanismapplied thereto for operating tlie type levers of the machine; and Fig,4 is a horizontal sectional view.

The improved operating mechanism comprises a stationary cylinder or tube1 and a sl-idable cylinder or tube 2 which is adapted to telescope thecylinder or tube land to be actuated thereon either by pressure orsuction within the said cylinders or tubes, the pressure or suctionbeing controlled by a valve device 3 comprising a casing 4 which isconnected to a pipe or tube 5 and which contains oppositely disposedconical valve seats 6, 7 adapted to be alternately engaged by i citizenof the- United States, residing at Princeton, in the county of lever orother movable element 12 which is adapted to actuate.

When compressed air or other fluid under pressure is employed foroperating the sliding cylinder 2, the pipe 5 is used as a supplypipe andthevalve 8 may be forced upon its seatby the pressure within said pipeor by a suitable actuatingspring, so that ,communication betweenthe pipe5 and the cylinder 1 is normally cut off and communication between thelatter and the atmosphere is:'established, owing to the open position.of the valve 9. When the key lover or element 11 is depressed, thevalve stem, 10 will be moved inwardly to cause the valve 9 to close uponits, seat and thevalv 8 to be raised from its seat, so that thecompressed air in the pipe 5 will enter'the telescoping cylinders 1,Z-and move the lat The return movement of the cylinder 2 may beeffected-- I by gravity or by means of a suitable spring 13. When it isdesired to operate the cylinder 2 by suction instead oi pressure, itwill be understood that the normal position of the valve device'3 willbereversed, so that the normalposition of. the valve 8 will be open, andof-the valve 9 closed. v, r In the form of the'mechanism shown in Fig.1, the

' lever orelement 12 is actuated in but one direction,

but where it is desired to actuate said element in both directions, Ipreferablyemploy the construction shown in Figi 2'in which the.operating mechanism isduplicated. It will be seen that in thisconstruction, two of the valve casings 4 are secured at diametricallyopposite points, in the supply pipe 5, and the iiwo valve stems areconnected together as shown at 14, one end of said double valve stembeing engaged by a spring15 which actuates it in one direction, and itsopposite-end by the lever or element'll which actuatcs it in thegpposite direction". The two sliding cylinders or tubes 2- 2 areconnected to the lever or element 12, which is here shown in the form ofa bell-crank, It will 'be noted that when the lever 11 is operated, thecompressed air within the pipe 5 will enter through one of the valves'ter outwardly to actuate the lever or element 12.

into the cylinders upon one side and actuate the lever This improvedoperatmg mechanism may beadapted v for various uses upontypewriteralinotype machines and the'like, and in Figs; 3 and 4' of thedrawings it'is shown applied to a typewriter of well known form, for

operating the type bar levers oi the same. T; One of the operatingdevices or mechanismsis interposed between T each of the type bar leversand its key lever on the key- I 1 board, and they are arrangedpreferably in one or more transverse rows inthelower central portion ofthe name .1 10

17, as shown in Fig. 4. The usual typebar keylevers 18 of the machineare connected, by1inks or other suitable connections 19, to key levers20, which in the ordinary typewriters are the key levers, but which' arehere shown as having their forward ends bent downwardly and apertured toreceive guide pins 21 carried by the sliding cylinders 2 of theoperating mechanisms. Coil springs 22 surround the stems 21 between thelevers 20 and a suitable support 23, and serve to return the levers andthe cylinders 2 to their normal positions. The cylinders 1, 2 aredisposed vertically, and the torinerare directly connected to the valvecasings 4 of the valve devices 3 which are secured to transverselyextending supply pipes ,5, Each of the latter has oneof its ends closedand its other end connected to a pipe 23 leading from a suitable sourceof supply and controlled by a cut-off and regulating-valve 24. The stems10 of the valve devices 3 project forwardly through and slide in asuitable guide 25, and are loosely connected to key levers 26 which formthe keyboard of the typewriter. These levers are pivoted at 27 and areelevated by coil springs 28 which surround guide stems 29 depending fromthem and sliding in openings in a guide 30.

It will be seen-that when any one of the key levers 26 is depressed, itwill actuate the valves of one of the devices 3 and thereby admitcompressed air into one of the pairs of cylinders 1, 2 to cause thelatter to actuate one of the levers 20, which in turn actuates the typebar lever 18 to which it is connected. It will be seen that thismechanism will cause the type bar lever 18 to be quickly actuated andthe stroke orlmovement of the lever 26 need be but very slight. 1

While I have shown and described but one-way in which my improvedoperating mechanism may be em-' ployed, it"will be understood that I donot wish to be limited to this use nor to the manner in which it iseffected. I

It will be understood that various changes in the form, proportion andarrangement of parts may be made within the scope of the appendedclaims.

Having thus described my invention, what'I claini as new and desire tosecure by Letters-Patent is:-

i. In a mechanism of the character described. the c0mbination with anactuating and an actuated element, oi a stationary cylinder. a slidingcylinder tQlQSCOplCilll) engaged with said stationary cylinder foroperating said actuated element, a supply pipe, a connection betweensaid supply pipe and said stationary cylinder having corn-' munlcationwith said parts and with the atmosphere, and

a valve device in said connection fc'u' controlling communicationbetween said supply pipe and said stationary cy'linder and'between saidstationary cylinder and theatmosphere, said valve device being actuatedby said actuating element. y,

In a mechanism of the character described, the com bination with anactuating and an actuated element, of

a stationary cylinder, a' sliding cylinder telescopicall v bination withan actuating and an actuated element, of'

a supply pipe, a stationary cylinder connected thereto, a slidingcylinder telescoping 'sald stationary cylinder and connected to saidactuatedelemenna spring for moving said sliding cylinder in onedirection, and a valve device in the connection between said supply pipean'd stationary cylinder for controlling communication between saidparts said valve device being actuated by said actuating Iuent.

4. In a mechanism of the character described, the combination with anactuating and an actuated element, of a supply pipe. a stationarycylinder connected thereto, a sliding cylinder telescoping saidstationary cylinder and connected to said actuated element, a spring formoving said sliding cylinder in onedirection, a valve device in theconnection between said supply pipe and said stationary'cylinder forcontrolling communication between said parts and between said stationarycylinder and the atmosphere, and a spring for actuating said valvedevice in one direction, said valve device being actuated in theopposite direction by said actuating element.

5. In a typewriting machine, the combination of a stationary cylinder, avalve casing communicating therewith and having oppositely-disposed,conical valve. seats. a fluid supply pipe connected withsaid casing,outwardlyopening conical valves mounted in said casing on a common stem,an actuating lever connected with said valve, and an actuated elementconnected with said valves.

In testimony whereof 'I have. hereunto set my hand in presence of twosubscribing witnesses.

HENRY J. o'r'ro.

ele-

Witnesses WiLnm-n M. Rirenrn, Roisnu'r C. BALTZELL.

vand between said stationary cylinder and the atmosphere,

